Wilwood kit
Contains a pair of new Dynalite calipers, new poly matrix pads, new AR Engineering caliper brackets, a pair of disc brake spindles. This does not include the 11.75 rotors and bearings, which you can get locally or from Rock Auto for less than I can. $515
Stock kit
Pair of disc brake spindles and a pair of 11.75 slider caliper adapters. $200. Does not include calipers, pads, rotors, or bearings.
Viper brackets
I've got a set of Viper caliper bracket adapters. These are AR Engineering brackets that bolt to your drum spindles and utilize 1st Gen Viper calipers. I'll also include the large bearing adapter and seal to use them on your small bearing spindles, Does not include calipers, rotors, or bearings. $250